TalkTalk has maintained its position as the UK's most complained-about broadband provider for the fifth quarter running.The company beat fellow ISPs Sky, BT, Orange and Virgin to hold onto the dubious honour for the first quarter of this year, according to data published by communications regulator Ofcom on Tuesday.

BT is likely to enjoy lighter controls on the amount it can charge for its leased lines in London, under proposals revealed by Ofcom on Monday.Leased lines offer high-end fibre connectivity as a retail product for business customers, and also as a wholesale product for smaller telcos that resell fixed and mobile broadband services.

The telecoms regulator Ofcom has come up with new draft caps for how much BT Openreach can charge other ISPs for its wholesale line rental and for local loop unbundling.The reduced rates may lead to lower retail prices for consumers and businesses.

TalkTalk is still the most complained-about communications provider in the UK, Ofcom has said in its latest dissatisfaction report, although BT looks set to take top spot in next quarter's complaints league.The regulator puts these reports out on a quarterly basis, and it said on Tuesday that TalkTalk had managed to top the list every quarter in the last year, both for its fixed-line broadband and landline services.

Even though there are twice as many 3G connections as fixed-line broadband in the UK, the amount of data passed over mobile broadband is a very small percentage of the total for home usage, according to Ofcom

BT will from Saturday make it cheaper to call mobile phones from its landlines, after Ofcom forced cellular operators to cut their mobile termination rates.In March, the regulator said operators would have to cut their mobile termination rates (MTRs) by 80 percent, which they duly did at the start of April.